John Deere AC-SP3GS - Manuel (Page 11)

Semi-Trash Pump Operator's Manual 11
Trouble Shooting
SYMPTOM PROBLEM SOLUTION
Cannot pull or hard
to pull recoil starter
Debris caught in impeller Dismantle & clean impeller
Not enough delivery
volume
Air leakage on suction Check suction hose and
side suction connections
Engine not performing Check & repair engine
see John Deere dealer
Damage to mechanical Replace mechanical seal
seal see John Deere dealer
Suction lift is too high Make suction lift lower
Suction hose is too long Shorten suction hose or
or smaller in diameter enlarge diameter
Leakage of water from Stop leakage of water
discharge hose
Worn out impeller Replace the impeller
see John Deere dealer
Pump does not Air goes in from suction Check hose and suction
prime side connections (See Solution 2)
Insufficient priming water Pour more water into
inside pump pump casing for priming
Drain plug is loose Tighten drain plug firmly.
Damage of mechanical seal Replace mechanical seal
see John Deere dealer
Wrong suction hose used Use correct suction hose
Water leakage between engine Damaged mechanical
and pump seal. Replace see John
Deere dealer.
Engine does not Refer to engine manual
start see John Deere dealer